A vaporisable material for use in a vapour-generating device comprising tobacco having a moisture content of from about 3 to 5 wt %, and further comprising a humectant in an amount of at least 20 wt % is disclosed. The invention also relates to use of the vaporisable material in a vapour-generating device, and to a sealed package containing the vaporisable material and a device containing the sealed package of vaporisable material.